128263 - support surrogate character rendering under Mac.

Status: VERIFIED FIXED

(Core :: Internationalization, defect)

Description

[Frank Tang]

we should try Code 2001 font and the ms surrogate chinese font and make mac
render surrogate if they are installed.

Comment 1

[Frank Tang]

here is the infor for code 2001 font.
>Frank, Shanjian,
>
>James Kass' font works well and covers the characters in the example
>page at: http://www.geocities.com/i18nguy/unicode-example-plane1.html
>
>The page has some information on setting up Windows for surrogates.
>
>Kass' Code 2001 font is at:
>http://home.att.net/~jameskass/CODE2001.ZIP
>

Comment 2

[Frank Tang]

also, look at http://www.microsoft.com/downloads/release.asp?ReleaseID=31326 for
MS surrogate font

Comment 3

[Frank Tang]

the ms chinese font could be fonta at
http://www.microsoft.com/downloads/release.asp?ReleaseID=32385

Comment 4

[Frank Tang]

I hit a general ATSUI problem before I can implement this.
that problem is solved in bug 160001

Comment 5

[Frank Tang]

Attachment: patch to enable surrogte on mac

Comment 6

[Frank Tang]

to see the effect of the patch, do the folloiwng


1. install chinese surrogate font . 
  (if you are internal in Netscape. save 
http://warp.mcom.com/u/ftang/fonts/schinese/SURSONG.TTF  into 
Library:Fonts:SURSONG.TTF under your MacOS X.)

2. visit http://people.netscape.com/ftang/testscript/gb18030/gb18030.cgi?page=596
you will see all text display ?? and some gif display to tell you what the glyph
should look like

3. apply the patch and rebuild
4. visit that page again and you will see the text appear

Comment 7

[nhottanscp]

* Why do the two new functions reuturn PRBool instead of nsresult? And the
caller ingores the result.
* Please add "::" like ::ATSUSetTextPointerLocation.
* There are some lines with wrong indentation, please fix them.

Comment 8

[Frank Tang]

*** Bug 135219 has been marked as a duplicate of this bug. ***

Comment 9

[Frank Tang]

this patch need to be merged with the mathml landing

Comment 10

[Frank Tang]

Attachment: patch 1.1

Comment 11

[nhottanscp]

Comment on attachment 95431 [details] [diff] [review]
patch 1.1

r=nhotta

Comment 12

[Frank Tang]

sfraser: can you sr= this one ?

Comment 13

[Simon Fraser [no longer active]]

Comment on attachment 95431 [details] [diff] [review]
patch 1.1

sr=sfraser
More comments in the code would be appreciated (maybe explain to those of us
who don't know what the surrogate stuff is all about).

Comment 14

[Frank Tang]

fixed and land into trunk
add rbs to the bug

Comment 15

[Yuying Long]

Verified gb18030 surrogate characters are displayed fine on 08-16 trunk build /
Mac 10.1.5.

Comment 16

[Marek Z. Jeziorek]

batch: adding topembed per Gecko2 document
http://rocknroll.mcom.com/users/marek/publish/Gecko/Gecko2Tasks.html